well, i think that rationale, mr. brennan, is long gone. >> john brennan would not commit to additional disclosures, but he defended the legality of the program. >> the president has insisted that any actions we take will be legally grounded, will be thoroughly anchored in intelligence, will have the appropriate review process, approval process before any action is contemplated, including those actions that might involve the use of lethal force. >> to be fair, it sounds like the bush administration all over. democrats and republicans voiced their concerns, but it was independent senator from maine angus king who questioned the executive power of the president. >> having the executive being the prosecutor, the judge, the jury, and the executioner all in one is very contrary to the traditions and the laws of this country. >> unilateral execution power of the president is causing concern among progressives in america. no doubt about it. democratic senator ron wyden asked brennan, how can the united states target american